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首页 - 英汉词典 - D字开头的单词或词组 - directional antenna

英语解释

directional antenna

汉语翻译

【电】定向天线

directional antenna英语解释

名词 directional antenna:

an antenna that transmits or receives signals only in a narrow angle

directional antenna例句

A radio receiver and directional antenna used as a system to determine the angular direction of incoming radio signals.
无线方向探测器一种无线电接收和指向天线系统，用来确定收到的无线电信号的角方向

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